Lab Machine Problems
quota -v
First check the quota by using quota -v
command. If quota exceeds, then remove some files and check.
If you have enough space, then try to remove the following gnome related hidden files in your home directory:
.cache
.config
.gnome2
.gconf
.gnome
.gnome2_private
.kde
.ICEauthority
.xsession-errors
.xsession-errors.old
.Xauthority